<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script src="../js/react.development.js"></script>
    <!-- 引入react-dom，用于支持react操作dom -->
    <script src="../js/react-dom.development.js"></script>
    <!-- 引入babel，用于将jsx转为js -->
    <script src="../js/babel.min.js"></script>

    <script type="text/babel">
        // 1.创建函数式组件
        function MyCompontent(){
            console.log(this); //undefined 是babel开启了严格模式
            return  <h2>我是用函数定义的组件(适用于简单组件) </h2>
        }

        // 2.渲染组件到页面
        ReactDOM.render(<MyCompontent/>,document.getElementById('test'));
    </script>

</body>
</html>